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| author | Jan Beulich <jbeulich@suse.com> | 2023-07-04 17:07:26 +0200 |
|---|---|---|
| committer | Jan Beulich <jbeulich@suse.com> | 2023-07-04 17:07:26 +0200 |
| commit | eb4031cb20aa710834be891f8638e04dbba81edc (patch) | |
| tree | 718e79578a21b150e826d3b0a618364857aeca04 /opcodes/i386-tbl.h | |
| parent | 33889538969edd801bdaf5422c863fe2a0b7cf45 (diff) | |
| download | gdb-eb4031cb20aa710834be891f8638e04dbba81edc.zip gdb-eb4031cb20aa710834be891f8638e04dbba81edc.tar.gz gdb-eb4031cb20aa710834be891f8638e04dbba81edc.tar.bz2 | |
x86: optimize 128-bit VPBROADCASTQ to VPUNPCKLQDQ
The alternative is 1 byte shorter when the source is %xmm0-7, as a
2-byte VEX prefix can then be used.
Diffstat (limited to 'opcodes/i386-tbl.h')
| -rw-r--r-- | opcodes/i386-tbl.h | 4 |
1 files changed, 2 insertions, 2 deletions
diff --git a/opcodes/i386-tbl.h b/opcodes/i386-tbl.h index 4779cc9..43bcd68 100644 --- a/opcodes/i386-tbl.h +++ b/opcodes/i386-tbl.h @@ -34844,7 +34844,7 @@ static const insn_template i386_optab[] = 1, 1, 1, 0, 0, 0 } } } }, { MN_vpbroadcastd, 0x58 | 0, 2, SPACE_0F38, None, { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, - 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, + 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, @@ -34886,7 +34886,7 @@ static const insn_template i386_optab[] = 1, 1, 1, 0, 0, 0 } } } }, { MN_vpbroadcastq, 0x58 | 1, 2, SPACE_0F38, None, { 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 1, 1, 1, 1, 1, 0, 0, 0, 0, 0, - 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0 }, + 0, 0, 0, 1, 0, 1, 1, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0 }, { { 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 1, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, |